Question about Texas Instruments TI-84 Plus Calculator
I've put new batteries in and still will not turn on
What i ended up doing was i kept messing with it and adding new batteries untill i accidentally cleared the ram, but in doing so, i figured out what i did. we must have set the brightness up too much, and so the whole screen is white, so it looks like it is off. just press the on button and press second and hold the up arrow untill you can see something on your screen again.
Posted on Feb 01, 2009
It may be that your contrast is too light. turn the calculator on (it will not seem like it) then proceed to press the 2nd button then click the up button a few times to return to normal contrast.
Posted on Dec 09, 2008
Mine was acting up to. I found somewhere that the no/slow key response could be due to a short in the I/O socket. I blew into it really hard, and it worked perfectly after that. I hope this helps.
Posted on Sep 09, 2008
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Posted on Jan 02, 2017
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I've had this issue
before with my TI-83 Plus. I'm not sure exactly the solution I used, but these
steps progress through the mildest to most extreme methods of fixing the
Solution 1: Take the batteries out.
Odds are you've tried
this already, but it bears mentioning.
With the calculator on,
remove the triple A batteries housed in the back. After a few seconds, replace
them and turn the calculator on.
Solution 2: Clear the RAM.
Remove one of the AAA
batteries. Press and hold the [CLEAR] key. While holding [CLEAR], reinsert the
AAA battery and then turn the calculator on. The calculator should display the
message "RAM Cleared". Release the [CLEAR] key and then press it one
more time to remove the message.
Solution 3: Reinstall the operating system
Remove one of the AAA
batteries. Press and hold the [DEL] key. While holding [DEL], reinsert the AAA
battery and then turn the calculator on. The calculator should display "Waiting...Please
install calculator software now"
Solution 4: Remove all sources of power. This is a risky move, but if your
calculator will absolutely not work after you try even reinstalling the
operating system, it might be your last hope.
Remove all of the batteries
including the round lithium battery for 5 minutes. After the 5 minute period,
reinsert all of the batteries and turn the calculator on. Adjust the contrast
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